Valor Retornado

Returns an array of objects containing mailbox information. Each
object has the attributes name, specifying
the full name of the mailbox; delimiter,
which is the hierarchy delimiter for the part of the hierarchy
this mailbox is in; and
attributes. Attributes
is a bitmask that can be tested against:

LATT_NOINFERIORS - This mailbox has no
"children" (there are no mailboxes below this one).

LATT_NOSELECT - This is only a container,
not a mailbox - you cannot open it.